12331001222 has 8 divisors (see below), whose sum is σ = 18528559896. Its totient is φ = 6154814592.

The previous prime is 12331001209. The next prime is 12331001227. The reversal of 12331001222 is 22210013321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12331001222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12331001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5341568 + ... + 5343875.

It is an arithmetic number, because the mean of its divisors is an integer number (2316069987).

Almost surely, 2^12331001222 is an apocalyptic number.

12331001222 is a deficient number, since it is larger than the sum of its proper divisors (6197558674).

12331001222 is a wasteful number, since it uses less digits than its factorization.

12331001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686022.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12331001222 its reverse (22210013321), we get a palindrome (34541014543).

The spelling of 12331001222 in words is "twelve billion, three hundred thirty-one million, one thousand, two hundred twenty-two".